- ñðåäíåâçâåøåííàÿ äþðàöèÿ îòäåëüíûõ îáëèãàöèé, âõîäÿùèõ â ïîðòôåëü, ãäå â êà÷åñòâå âåñà âûñòóïàåò óäåëüíûé âåñ îáëèãàöèé â ïîðòôåëå (ñì. òæ. ÄÞÐÀÖÈß).